Products · Pattern or everyday thing
Pie charts
Raised as a usability problem by 8 people on Hacker News over 12 years (2011–2022), in 6 threads.
No issue was raised by at least 3 people in 3 threads this year.
No issue was raised by at least 3 people in 3 threads in the last 5 years.
Every issue, all time, most people first
Pie charts make slice percentages hard to judge accuratelyUnreviewed
20112026- Second pie chart breakout is needlessly confusing to read2022-05-19
- Two-item pie charts add a second value nobody needs, creating clutter that makes the chart harder to understand2017-09-18
- Pie charts make it hard to judge slice percentages accurately compared with bar charts2013-10-14
Unreviewed issues were grouped by machine: Claude Haiku labelled each comment as a usability complaint, named what it's about and summed up the problem in a line, and a small model grouped similar problems. Nobody has checked them by hand. Expect mistakes.
The newest 8 complaints
- Second pie chart breakout is needlessly confusing to read2022-05-19
- Colours are hard to tell apart, so colour-blind readers can't read the chart2021-03-09
- Pie chart colours are hard to match to the legend categories2021-03-09
- Two-item pie charts add a second value nobody needs, creating clutter that makes the chart harder to understand2017-09-18
- Hard to compare the area of rotated half-circle slices2015-07-09
- Pie charts make it hard to judge slice percentages accurately compared with bar charts2013-10-14
- Pie charts with many wedges are indistinguishable colors and tiny legends for colorblind readers2011-09-13
- Readers can't judge relative slice sizes, and the chart has no clear starting point2011-09-13